Class: Launch::InitialFrame

Inherits:
BaseFrame show all
Defined in:
lib/launch.rb

Constant Summary collapse

EXPLOSIONRANGE = 
(20..30)
YSPEEDMAX = 
Math.sqrt(2 * (YMAX-PADDING) * GRAVITY)
XSPEEDRANGE = 
(0..3)
YSPEEDRANGE = 
(5..YSPEEDMAX)
ZSPEEDRANGE = 
(0.1..0.2)

Instance Attribute Summary

Attributes inherited from BaseFrame

#last_frame, #position, #speed, #time_to_explosion

Instance Method Summary collapse

Constructor Details

#initialize ⇒ InitialFrame

Returns a new instance of InitialFrame.



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# File 'lib/launch.rb', line 18

def initialize
  start_x            = (PADDING..XMAX-PADDING).any
  @position          = {x: start_x, y: 0, z: 0}
  @speed             = {x: XSPEEDRANGE.any, y: YSPEEDRANGE.any, z: ZSPEEDRANGE.any}
  @time_to_explosion = EXPLOSIONRANGE.any
  @last_frame        = self
end

Instance Method Details

#alive? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/launch.rb', line 26

def alive?
  true
end